3956441 has 4 divisors (see below), whose sum is σ = 4092900. Its totient is φ = 3819984.

The previous prime is 3956429. The next prime is 3956453. The reversal of 3956441 is 1446593.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1446593 = 229 ⋅6317.

It is an interprime number because it is at equal distance from previous prime (3956429) and next prime (3956453).

It can be written as a sum of positive squares in 2 ways, for example, as 2468041 + 1488400 = 1571^2 + 1220^2 .

It is a cyclic number.

It is not a de Polignac number, because 3956441 - 2¹⁰ = 3955417 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3956398 and 3956407.

It is not an unprimeable number, because it can be changed into a prime (3956401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68186 + ... + 68243.

It is an arithmetic number, because the mean of its divisors is an integer number (1023225).

Almost surely, 2^3956441 is an apocalyptic number.

It is an amenable number.

3956441 is a deficient number, since it is larger than the sum of its proper divisors (136459).

3956441 is a wasteful number, since it uses less digits than its factorization.

3956441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136458.

The product of its digits is 12960, while the sum is 32.

The square root of 3956441 is about 1989.0804408068. The cubic root of 3956441 is about 158.1617874903.

The spelling of 3956441 in words is "three million, nine hundred fifty-six thousand, four hundred forty-one".